Abstract
In our previous work, a partially decoupled process (PDP) was proposed for efficient conversion of ethane to increase the ethylene yield and a new structural reactor called forward-impinging-back reactor (FIB) was proposed for scale-up. In this work, the influence of changing the composition and temperature of the heat carrier was investigated by simulations with detailed chemistry to further increase of the C2 (C2H2 + C2H4) yield in the PDP of ethane. At ideal mixing conditions, the C2 yield is 75.3% without steam addition and it is 82.9% at steam addition ratio of β = 1.4. In comparison, the C2 yield in an FIB reactor is 62.4% without steam addition and it increases to 78.5% with steam addition (β = 1.4). The requirement of high mixing efficiency is diminished by steam addition, which is favorable for reactor scale-up.
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